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冀教版英语八年级下册Lesson 44课件

1、八年级英语(JJ下)教学课件,Lesson 44: Environment Clubs,Unit 8,1. Be able to use the words and phrases: reduce, reusable, least, pollute, skip, packaging, leaky, waste, litre, sink, electricity, shut, throw away, encourage sb. to do sth. , neither. nor. , turn off, shut down 2. Learn the environment club and le

2、arn to protect the environment,Learning Targets,3. Learn some key sentences: In an environment club, students work together to reduce pollution and protect the environment. How much garbage do you throw away after lunch? Environment clubs encourage students to bring their lunches in reusable bags an

3、d dishes., The class with the least garbage gets a prize. Its a good way to reduce packaging. Did you know that a leaky toilet can waste 20to 40 litres of water an hour? Turn off the television and shut down the computer when you are not using them.,What are they doing?,Lead in,Do you think the char

4、acters in the pictures are correct? Why or why not? What should we do?,Do you know them? And what are they doing?,reduce reusable leastpollute skip,v. 减少 adj. 可重复使用的 adj. & adv. 最少的(地);最小的(地) n. 最少量;最小物 v. 污染;弄脏 v. 跳跃;跳绳,Words and expressions,packaging leaky waste litre sink electricity shut,n. 包装 a

5、dj. 渗漏的 v. & n. 浪费 n. 公升 n. 水槽;水池 n. 电 v. 关上;合上,throw away encourage sb. to do sth. neither. nor. turn off shut down,扔掉 鼓励某人做某事 既不也不 关掉;关闭 关闭;停下,What do you do when you see somebody throwing garbage on the ground? Does your school have an environment club?,THINK ABOUT IT,Presentation,In North Americ

6、a, many students join environment clubs. In an environment club, students work together to reduce pollution and protect the environment. The following is a list of their activities and advice. Nogarbage lunches: How much garbage do you throw away after lunch?Environment clubs,Listen and read the pas

7、sage.,encourage students to bring their lunches in reusable bags and dishes. The class with the least garbage gets a prize. Nocar days: On a nocar day, nobody comes to school in a carneither the students nor the teachers!Cars pollute our air, so remember:Walk, skip, bike or run.Use your legs!Its lot

8、s of fun! Bring your own shopping bag!Bring your own,bag when you go shopping. Its a good way to reduce packaging. Save water!Did you know that a leaky toilet can waste 20 to 40 litres of water an hour?In a year, that would fill a large swimming pool!In environment clubs, students fix leaky toilets

9、and sinks. Save electricity!Turn off the lights when you leave a room. Turn off the television and shut down the computer when you are not using them.,Read the lesson and answer the questions.,1,Lets Do It!,1. Why do many students join environment clubs in North America?Because they want to reduce p

10、ollution and protect the environment. 2. Why do the students take their own bags when they go shopping? Because its a good way to reduce packaging.,3. How do the students in an environment club save water?How do they save electricity?They fix leaky toilets and sinks. Turn off the lights when they le

11、ave a room. Turn off televisions and shut down computers when they are not using them.,Fill in the blanks with the correct forms of the words in the box.,waste least nobody shut pollute,The soap factory _ the drinking water in this area. Students should not _ paper. _ knows when life on the earth st

12、arted. He who talks the most knows the _. I couldnt _ the window because it was stuck.,polluted,waste,Nobody,least,shut,2,Read the passage and fill in the blanks.,In some countries of the world, people have started to reduce the amount of garbage they make. How? First, they buy _ things. They try to

13、 buy only what they really need. When you buy fewer things, you _ away fewer things. Second, they reuse things.,fewer,throw,3,They use things, and then they use them again! Third, they recycle things. They make old things into new things. People call these the “three Rs”: reduce, _ and _. The three

14、Rs help us remember that _ is a problem.,reuse,recycle,pollution,Suppose your schools environment club wants to make a poster about littering and recycling. Can you make one?Heres an example.,4,Stop Pollution! We have a nice, clean schoolyard. Lets keep it this way. Dont litter!,Always put your garb

15、age in a garbage can. Never throw it on the ground. Recycle! Stop and think before you throw something out: Can I use this again? Can this be recycled? Together,we can help keep our world clean!,Language points,1. In an environment club,students work together to reduce pollution and protect the envi

16、ronment. reduce v减少。其反义词为increase(增加)。常用短语:reduce to减少到;reduce by减少了 例:The number of the students has reduced to 200 this year. 今年的学生数量已减少到了两百人。,2.How much garbage do you throw away after lunch? throw away丢掉,扔掉。它相当于throw out/throw off。该短语是动副型短语,当宾语是代词时,要放在throw与away之间;当宾语是名词时,置于throw与away之间或away之后均可

17、。 例:Dont throw away the old bottles. They are still useful. 不要扔掉这些旧瓶子。它们还有用。,3.Environment clubs encourage students to bring their lunches in reusable bags and dishes. encourage sb.to do sth.鼓励某人做某事。其中,动词不定式作宾语补足语。 例:My teacher always encourages me to work hard. 我的老师总是鼓励我努力学习。,4. The class with the

18、least garbage gets a prize. least是little的最高级形式,意为“最少”,修饰不可数名词。最高级前面通常要用定冠词the。 例:Tom drank the least milk among the three boys. 这三个男孩中,汤姆喝的牛奶最少。,5Its a good way to reduce packaging. 该句中to reduce packaging是动词不定式短语作后置定语,修饰way。此句可转化为一个含定语从句的复合句:Its a good way (that) you reduce packaging.way在此作 “方式、方法”

19、讲,其后可接动词不定式(短语)、of短语及that/in which引导的从句作定语,that可省略。,例:Its a good way to practice spoken English.Its a good way of practicing spoken English.Its a good way(that)you practice spoken English.那是一个练习英语口语的好方法。,6Did you know that a leaky toilet can waste 20 to 40 litres of water an hour? waste v浪费。常构成固定搭配

20、waste water/electricity/oil等。其反义词为save(节约,节省)。 例:The naughty boy wasted much money.那个淘气的男孩浪费了很多钱。,7Turn off the television and shut down the computer when you are not using them. (1)【辨析】turn off、turn on、turn up与turn down,例:Please turn off the radio. My grandma is sleeping.请关掉收音机,我的奶奶正在睡觉。 Could you

21、please help me turn on the TV? 你能帮我打开电视吗? I cant hear clearly.Please turn up the MP3. 我听不清楚。请调大MP3的音量。 He turned down the radio. 他调小了收音机的音量。,(2)shut down也可意为“关闭;停下”。它强调机器等停止运转、关闭窗户等,也可指关闭公司、工厂、店铺等。 例:The restaurant shut down last year. 这家饭店去年倒闭了。 But the company shut down in 1995. 但这家公司在1995年关闭了。,Sc

22、hool should be surrounded by a pure and healthy e_.Chemical wastes p_ the rivers and streams. The ship was l_ badly. You should not w_ food when many people are hungry.,根据句意和首字母及汉语提示完成句子。,nvironment,ollute,eaking,aste,Exercises,5. I have to _ (关闭) my blog. 6. The glass from bottles can be r_. 7. We

23、should take _ (可重复利用的) bags for shopping. 8. Mr. Smith can drink five _ (公升) of beer. 9. The firm has _(更少的) money and fewer staff than last year.,reusable,ecycled,shut down,litres,less,1. Learn some new words and expressions. 2. Be able to understand this text. 3. Call in people to work together to make our environment clean.,Summary,Homework,1. Finish the exercises of Lesson 44. 2. Preview next lesson. 3. According to the text, think about the measures to protect the environment and write down your answer.,